CMakeLists.txt

   1 cmake_minimum_required (VERSION 2.6.4)
   2
   3 if(COMMAND cmake_policy)
   4    if(POLICY CMP0054)
   5        cmake_policy(SET CMP0054 NEW)
   6    endif()
   7    if(POLICY CMP0042)
   8        cmake_policy(SET CMP0042 NEW)
   9    endif()
  10 endif()
  11
  12 include (CheckFunctionExists)
  13 include (CheckIncludeFile)
  14 include (CheckCXXSourceCompiles)
  15 include (CheckCXXCompilerFlag)
  16
  17 # set this before project()
  18 # using 10.7 because boost requires libc++ and 10.6 doesn't include it
  19 set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7)
  20
  21 project(SimGear)
  22
  23 # read 'version' file into a variable (stripping any newlines or spaces)
  24 file(READ version versionFile)
  25 string(STRIP ${versionFile} SIMGEAR_VERSION)
  26
  27 set(FIND_LIBRARY_USE_LIB64_PATHS ON)
  28
  29 # use simgear version also as the SO version (if building SOs)
  30 SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
  31
  32 # Warning when build is not an out-of-source build.
  33 string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild)
  34 if(InSourceBuild)
  35     message(WARNING  "Avoid building inside the source tree!")
  36     message(WARNING  "Create a separate build directory instead (i.e. 'sgbuild') and call CMake from there: ")
  37     message(WARNING  "  mkdir ../sgbuild && cd ../sgbuild && cmake ${CMAKE_SOURCE_DIR}")
  38 endif(InSourceBuild)
  39
  40 #packaging
  41 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
  42 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
  43 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
  44 SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
  45 SET(CPACK_GENERATOR "TBZ2")
  46 SET(CPACK_INSTALL_CMAKE_PROJECTS  ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
  47
  48
  49 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
  50 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
  51 set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
  52 set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
  53 set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
  54
  55 message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
  56
  57 set(CPACK_SOURCE_GENERATOR TBZ2)
  58 set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
  59 set(CPACK_SOURCE_IGNORE_FILES
  60   "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
  61
  62 message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
  63
  64 include (CPack)
  65
  66 # We have some custom .cmake scripts not in the official distribution.
  67 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
  68
  69 # Change the default build type to something fast
  70 if(NOT CMAKE_BUILD_TYPE)
  71   set(CMAKE_BUILD_TYPE Release CACHE STRING
  72       "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
  73       FORCE)
  74 endif(NOT CMAKE_BUILD_TYPE)
  75
  76 # Determine name of library installation directory, i.e. "lib" vs "lib64", which
  77 # differs between all Debian-based vs all other Linux distros.
  78 # See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
  79 # GNUInstallDirs requires CMake >= 2.8.5, use own file for older cmake
  80 if(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
  81   include(GNUInstallDirs)
  82 else(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
  83   include(OldGNUInstallDirs)
  84 endif(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
  85 message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
  86
  87 #####################################################################################
  88 # Configure library search paths
  89 #####################################################################################
  90
  91 if(NOT "${CMAKE_LIBRARY_ARCHITECTURE}" STREQUAL "")
  92     # Workaround for Ubuntu/Debian which introduced the "multiarch" library
  93     # directory structure, which is unsupported by CMake < 2.8.10, so we need to
  94     # add paths manually
  95     # see http://www.cmake.org/Bug/view.php?id=12049 and
  96     # http://www.cmake.org/Bug/view.php?id=12037
  97     list(APPEND ADDITIONAL_LIBRARY_PATHS
  98          /usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
  99          /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
 100          /lib/${CMAKE_LIBRARY_ARCHITECTURE})
 101     message(STATUS "additional library directories: ${ADDITIONAL_LIBRARY_PATHS}")
 102 endif()
 103
 104 #####################################################################################
 105
 106 if (NOT MSVC)
 107 option(SIMGEAR_SHARED   "Set to ON to build SimGear as a shared library/framework" OFF)
 108 option(SYSTEM_EXPAT     "Set to ON to build SimGear using the system libExpat" OFF)
 109 else()
 110 # Building SimGear DLLs is currently not supported for MSVC.
 111 set(SIMGEAR_SHARED OFF)
 112 # Using a system expat is currently not supported for MSVC - it would require shared simgear (DLL).
 113 set(SYSTEM_EXPAT OFF)
 114 endif()
 115
 116 option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
 117 option(ENABLE_RTI       "Set to ON to build SimGear with RTI support" OFF)
 118 option(ENABLE_TESTS     "Set to OFF to disable building SimGear's test applications" ON)
 119 option(ENABLE_SOUND     "Set to OFF to disable building SimGear's sound support" ON)
 120 option(ENABLE_PKGUTIL   "Set to ON to build the sg_pkgutil application (default)" ON)
 121
 122 if (MSVC)
 123   GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
 124   if (CMAKE_CL_64)
 125     SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
 126   else (CMAKE_CL_64)
 127     SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
 128   endif (CMAKE_CL_64)
 129   if (EXISTS ${TEST_3RDPARTY_DIR})
 130     set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
 131   else (EXISTS ${TEST_3RDPARTY_DIR})
 132     set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
 133   endif (EXISTS ${TEST_3RDPARTY_DIR})
 134 else (MSVC)
 135   set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
 136 endif (MSVC)
 137
 138 if (MSVC AND MSVC_3RDPARTY_ROOT)
 139   message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
 140   set( OSG_MSVC "msvc" )
 141   if (${MSVC_VERSION} EQUAL 1700)
 142       set( OSG_MSVC ${OSG_MSVC}110 )
 143   elseif (${MSVC_VERSION} EQUAL 1600)
 144       set( OSG_MSVC ${OSG_MSVC}100 )
 145   else (${MSVC_VERSION} EQUAL 1700)
 146       set( OSG_MSVC ${OSG_MSVC}90 )
 147   endif (${MSVC_VERSION} EQUAL 1700)
 148   if (CMAKE_CL_64)
 149       set( OSG_MSVC ${OSG_MSVC}-64 )
 150       set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
 151   else (CMAKE_CL_64)
 152       set( MSVC_3RDPARTY_DIR 3rdParty )
 153   endif (CMAKE_CL_64)
 154
 155   set (CMAKE_LIBRARY_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/lib ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenRTI/lib )
 156   set (CMAKE_INCLUDE_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/include ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenRTI/include)
 157   find_path(BOOST_ROOT boost/version.hpp
 158                         ${MSVC_3RDPARTY_ROOT}/boost
 159                         ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
 160                         ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
 161                         ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
 162                         ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
 163                         ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
 164                         ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
 165                         ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
 166                         ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
 167                         ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
 168                         ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
 169                         )
 170   # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
 171   message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
 172   set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
 173   set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
 174 endif (MSVC AND MSVC_3RDPARTY_ROOT)
 175
 176 if(APPLE)
 177   find_library(COCOA_LIBRARY Cocoa)
 178 endif()
 179
 180 # Somehow this only works if included before searching for Boost...
 181 include(BoostTestTargets)
 182
 183 find_package(Boost REQUIRED)
 184 set (BOOST_CXX_FLAGS "-DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION -DBOOST_BIMAP_DISABLE_SERIALIZATION")
 185
 186 if(SIMGEAR_HEADLESS)
 187     message(STATUS "SimGear mode: HEADLESS")
 188     set(ENABLE_SOUND 0)
 189 else()
 190     message(STATUS "SimGear mode: NORMAL")
 191     find_package(OpenGL REQUIRED)
 192
 193     if (ENABLE_SOUND)
 194         find_package(OpenAL REQUIRED)
 195         message(STATUS "Sound support: ENABLED")
 196     endif(ENABLE_SOUND)
 197
 198     find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgViewer osgUtil)
 199 endif(SIMGEAR_HEADLESS)
 200
 201 find_package(ZLIB REQUIRED)
 202 find_package(Threads REQUIRED)
 203
 204 if (SYSTEM_EXPAT)
 205     message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
 206     set(SIMGEAR_SHARED ON)
 207     find_package(EXPAT REQUIRED)
 208
 209 else()
 210     message(STATUS "Using built-in expat code")
 211     # XML_STATIC is important to avoid sg_expat_external.h
 212     # declaring symbols as declspec(import)
 213     add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
 214     set(EXPAT_INCLUDE_DIRS
 215             ${PROJECT_SOURCE_DIR}/3rdparty/expat
 216             ${PROJECT_BINARY_DIR}/3rdparty/expat)
 217 endif(SYSTEM_EXPAT)
 218
 219 include_directories(${EXPAT_INCLUDE_DIRS})
 220
 221 check_include_file(inttypes.h HAVE_INTTYPES_H)
 222 check_include_file(sys/time.h HAVE_SYS_TIME_H)
 223 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
 224 check_include_file(unistd.h HAVE_UNISTD_H)
 225 check_include_file(windows.h HAVE_WINDOWS_H)
 226
 227 if(HAVE_INTTYPES_H)
 228   # ShivaVG needs inttypes.h
 229   add_definitions(-DHAVE_INTTYPES_H)
 230 endif()
 231
 232 if(ENABLE_RTI)
 233     # See if we have any rti library variant installed
 234     message(STATUS "RTI: ENABLED")
 235     find_package(RTI)
 236 else()
 237     message(STATUS "RTI: DISABLED")
 238 endif(ENABLE_RTI)
 239
 240 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
 241 check_function_exists(ftime HAVE_FTIME)
 242 check_function_exists(timegm HAVE_TIMEGM)
 243 check_function_exists(rint HAVE_RINT)
 244 check_function_exists(mkdtemp HAVE_MKDTEMP)
 245 check_function_exists(bcopy HAVE_BCOPY)
 246 check_function_exists(mmap HAVE_MMAP)
 247
 248 if(HAVE_UNISTD_H)
 249     set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
 250     check_cxx_source_compiles(
 251        "#include <unistd.h>
 252         #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
 253             #error clock_gettime is not supported
 254         #endif
 255
 256         int main() { return 0; }
 257         "
 258         HAVE_CLOCK_GETTIME)
 259 endif(HAVE_UNISTD_H)
 260
 261 set(RT_LIBRARY "")
 262 if(HAVE_CLOCK_GETTIME)
 263     check_library_exists(rt clock_gettime "" HAVE_RT)
 264     if(HAVE_RT)
 265         set(RT_LIBRARY rt)
 266     endif(HAVE_RT)
 267 endif(HAVE_CLOCK_GETTIME)
 268
 269 set(DL_LIBRARY "")
 270 check_cxx_source_compiles(
 271     "#include <dlfcn.h>
 272     int main(void) {
 273         return 0;
 274     }
 275     "
 276     HAVE_DLFCN_H)
 277
 278 if(HAVE_DLFCN_H)
 279     check_library_exists(dl dlerror "" HAVE_DL)
 280     if(HAVE_DL)
 281         set(DL_LIBRARY "dl")
 282     endif()
 283 endif()
 284
 285 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
 286 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
 287 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
 288 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
 289
 290 # isnan might not be real symbol, so can't check using function_exists
 291 check_cxx_source_compiles(
 292     "#include <cmath>
 293     int main() { return isnan(0.0);} "
 294     HAVE_ISNAN)
 295
 296 check_cxx_source_compiles(
 297     "#include <cmath>
 298     int main() { return std::isnan(0.0);} "
 299     HAVE_STD_ISNAN)
 300
 301 if(CMAKE_COMPILER_IS_GNUCXX)
 302     set(WARNING_FLAGS_CXX "-Wall")
 303     set(WARNING_FLAGS_C   "-Wall")
 304
 305     # certain GCC versions don't provide the atomic builds, and hence
 306     # require is to provide them in SGAtomic.cxx
 307     set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
 308     check_cxx_source_compiles(
 309        "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
 310         GCC_ATOMIC_BUILTINS_FOUND)
 311 endif(CMAKE_COMPILER_IS_GNUCXX)
 312
 313 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
 314    set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual")
 315    set(WARNING_FLAGS_C   "-Wall")
 316 endif()
 317
 318 if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
 319 # boost goes haywire wrt static asserts
 320     check_cxx_compiler_flag(-Wno-unused-local-typedefs HAS_NOWARN_UNUSED_TYPEDEFS)
 321     if(HAS_NOWARN_UNUSED_TYPEDEFS)
 322         set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-unused-local-typedefs")
 323     endif()
 324 endif()
 325
 326 if(WIN32)
 327
 328     if(MINGW)
 329         add_definitions(-D_WIN32_WINNT=0x501)
 330     endif()
 331
 332     if(MSVC)
 333         # turn off various warnings
 334         # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
 335         #     SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
 336         # endforeach(warning)
 337
 338         set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996 /wd4250 -Dstrdup=_strdup")
 339         if (${MSVC_VERSION} GREATER 1599)
 340             set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
 341         endif (${MSVC_VERSION} GREATER 1599)
 342     endif(MSVC)
 343
 344     # assumed on Windows
 345     set(HAVE_GETLOCALTIME 1)
 346
 347     set( WINSOCK_LIBRARY "ws2_32.lib" )
 348     set( RT_LIBRARY "winmm" )
 349 endif(WIN32)
 350
 351 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
 352 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
 353 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
 354
 355 # use BEFORE to ensure local directories are used first,
 356 # ahead of system-installed libs
 357 include_directories(BEFORE ${PROJECT_SOURCE_DIR})
 358 include_directories(BEFORE ${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
 359 include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
 360
 361 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
 362     ${Boost_INCLUDE_DIRS}
 363     ${ZLIB_INCLUDE_DIR}
 364     ${OPENAL_INCLUDE_DIR}
 365 )
 366
 367 add_definitions(-DHAVE_CONFIG_H)
 368
 369 # configure a header file to pass some of the CMake settings
 370 # to the source code
 371 configure_file (
 372   "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
 373   "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
 374   )
 375
 376 if(ENABLE_TESTS)
 377     # enable CTest / make test target
 378     message(STATUS "Tests: ENABLED")
 379
 380     include (Dart)
 381     enable_testing()
 382 else()
 383     message(STATUS "Tests: DISABLED")
 384 endif(ENABLE_TESTS)
 385
 386 # always set TEST_LIBS as it is also used by other tools/applications
 387 set(TEST_LIBS_INTERNAL_CORE
 388     ${CMAKE_THREAD_LIBS_INIT}
 389     ${ZLIB_LIBRARY}
 390     ${WINSOCK_LIBRARY}
 391     ${RT_LIBRARY}
 392     ${DL_LIBRARY}
 393     ${COCOA_LIBRARY})
 394 set(TEST_LIBS SimGearCore ${TEST_LIBS_INTERNAL_CORE})
 395
 396 if(NOT SIMGEAR_HEADLESS)
 397     set(TEST_LIBS SimGearScene ${OPENGL_LIBRARIES} ${TEST_LIBS})
 398 endif()
 399
 400 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h  DESTINATION include/simgear/)
 401
 402 include_directories(3rdparty/utf8/source)
 403
 404 add_subdirectory(3rdparty)
 405 add_subdirectory(simgear)
 406
 407 #-----------------------------------------------------------------------------
 408 ### uninstall target
 409 #-----------------------------------------------------------------------------
 410 CONFIGURE_FILE(
 411   "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
 412   "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
 413   IMMEDIATE @ONLY)
 414 ADD_CUSTOM_TARGET(uninstall
 415   "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
 416
 417